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MartinaC

CELAS1 element set as strain gause

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Hi everyone,

I am simulating a tensile test with Optistruct. The analysis is NLQS and the material is isotropic.

 

I set the analysis as proposed in the eBook "Introduction of Non linear finite element analysis using Optistruct", section 3.1.5 Tutorial: Small-Strain and Large-Strain Plasticity in a Test Coupon.

 

I would like to understand how to set the CELAS1 element in order to use it for the building of the force-displacement output curve. I created the element, but the output curve results flat, so I think the problem is the Set.

 

Attached is the .fem file, is usefull.

 

Bests

Martina

MODEL2_surfs_JarvO1_NLQS.fem

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There are other possibilities to simulate tensile tests of non homogeneous coupon bars and export the global stress-strain curve? Because I am able to export just the stress-strain curve of each element

 

Best

Martina

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